Home / 88,261.66-121,797.52-47,974.50

Finding the Fourth Proportional to 88,261.66, 121,797.52 and 47,974.50

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Solution

The fourth proportional to 88,261.66, 121,797.52 and 47,974.50 is: 66,202.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,261.66 : 121,797.52 = 47,974.50 : x
  2. Step 2: Convert to fraction form
    88,261.66/121,797.52 = 47,974.50/x
  3. Step 3: Cross multiply
    88,261.66x = 121,797.52 × 47,974.50
  4. Step 4: Simplify right side
    88,261.66x = 5,843,175,123.24
  5. Step 5: Solve for x
    x = 5,843,175,123.24/88,261.66
  6. Step 6: Final answer
    x = 66,202.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.